Pith Number

pith:AYQBN2DW

pith:2012:AYQBN2DWIJZMD7JHSTVMTBOHM3

not attested not anchored not stored refs pending

Optimal transfer of an unknown state via a bipartite operation

D.L. Zhou, Yang Liu, Yu Guo

arxiv:1209.2285 v1 · 2012-09-11 · quant-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AYQBN2DWIJZMD7JHSTVMTBOHM3}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T01:54:30.600777Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

062016e8764272c1fd2794eac985c766e98129f3879e7c9c2b8772d525b9f3f2

Aliases

arxiv: 1209.2285 · arxiv_version: 1209.2285v1 · doi: 10.48550/arxiv.1209.2285 · pith_short_12: AYQBN2DWIJZM · pith_short_16: AYQBN2DWIJZMD7JH · pith_short_8: AYQBN2DW

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/AYQBN2DWIJZMD7JHSTVMTBOHM3 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 062016e8764272c1fd2794eac985c766e98129f3879e7c9c2b8772d525b9f3f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0310f461c250fe556698c25c4ee679049cb1a99fe1cc92ac82ddff31c0e5445e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-09-11T11:18:28Z",
    "title_canon_sha256": "9029accf2b7a31ef538574a963d755d21e9b5705985974bdb22e321af005ff05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.2285",
    "kind": "arxiv",
    "version": 1
  }
}